Add handling of objects not in database

test/web/activity_pub/activity_pub_test.exs

@@ -691,12 +691,23 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
       user = Repo.get(User, user.id)
       assert user.info.note_count == 10
     end
-    
+
     test "it creates a delete activity and checks that it is also sent to users mentioned by the deleted object" do
       user = insert(:user)
       note = insert(:note_activity)
-      object = Object.get_by_ap_id(note.data["object"]["id"])
-      object = Kernel.put_in(object.data["to"], [user.ap_id])
+
+      {:ok, object} =
+        Object.get_by_ap_id(note.data["object"]["id"])
+        |> Object.change(%{
+          data: %{
+            "actor" => note.data["object"]["actor"],
+            "id" => note.data["object"]["id"],
+            "to" => [user.ap_id],
+            "type" => "Note"
+          }
+        })
+        |> Object.update_and_set_cache()
+
       {:ok, delete} = ActivityPub.delete(object)
 
       assert user.ap_id in delete.data["to"]